hyperion.ng/libsrc/leddevice/dev_net/LedDeviceUdpE131.h
LordGrey 6fa7bab6f7
Add CodeQL for GitHub code scanning (#1548)
* Create codeql.yml

* Addressing codeql findings
2022-12-27 08:36:10 +01:00

148 lines
3.4 KiB
C++

#ifndef LEDEVICEUDPE131_H
#define LEDEVICEUDPE131_H
// hyperion includes
#include "ProviderUdp.h"
#include <QUuid>
/**
*
* https://raw.githubusercontent.com/forkineye/ESPixelStick/master/_E131.h
* Project: E131 - E.131 (sACN) library for Arduino
* Copyright (c) 2015 Shelby Merrick
* http://www.forkineye.com
*
* This program is provided free for you to use in any way that you wish,
* subject to the laws and regulations where you are using it. Due diligence
* is strongly suggested before using this code. Please give credit where due.
*
**/
/* E1.31 Packet Offsets */
#if 0
#define E131_ROOT_PREAMBLE_SIZE 0
#define E131_ROOT_POSTAMBLE_SIZE 2
#define E131_ROOT_ID 4
#define E131_ROOT_FLENGTH 16
#define E131_ROOT_VECTOR 18
#define E131_ROOT_CID 22
#define E131_FRAME_FLENGTH 38
#define E131_FRAME_VECTOR 40
#define E131_FRAME_SOURCE 44
#define E131_FRAME_PRIORITY 108
#define E131_FRAME_RESERVED 109
#define E131_FRAME_SEQ 111
#define E131_FRAME_OPT 112
#define E131_FRAME_UNIVERSE 113
#define E131_DMP_FLENGTH 115
#define E131_DMP_VECTOR 117
#define E131_DMP_TYPE 118
#define E131_DMP_ADDR_FIRST 119
#define E131_DMP_ADDR_INC 121
#define E131_DMP_COUNT 123
#endif
const unsigned int E131_DMP_DATA=125;
/* E1.31 Packet Structure */
typedef union
{
#pragma pack(push, 1)
struct
{
/* Root Layer */
uint16_t preamble_size;
uint16_t postamble_size;
uint8_t acn_id[12];
uint16_t root_flength;
uint32_t root_vector;
char cid[16];
/* Frame Layer */
uint16_t frame_flength;
uint32_t frame_vector;
char source_name[64];
uint8_t priority;
uint16_t reserved;
uint8_t sequence_number;
uint8_t options;
uint16_t universe;
/* DMP Layer */
uint16_t dmp_flength;
uint8_t dmp_vector;
uint8_t type;
uint16_t first_address;
uint16_t address_increment;
uint16_t property_value_count;
uint8_t property_values[513];
};
#pragma pack(pop)
uint8_t raw[638];
} e131_packet_t;
///
/// Implementation of the LedDevice interface for sending led colors via udp/E1.31 packets
///
class LedDeviceUdpE131 : public ProviderUdp
{
public:
///
/// @brief Constructs an E1.31 LED-device fed via UDP
///
/// @param deviceConfig Device's configuration as JSON-Object
///
explicit LedDeviceUdpE131(const QJsonObject &deviceConfig);
///
/// @brief Constructs the LED-device
///
/// @param[in] deviceConfig Device's configuration as JSON-Object
/// @return LedDevice constructed
///
static LedDevice* construct(const QJsonObject &deviceConfig);
private:
///
/// @brief Initialise the device's configuration
///
/// @param[in] deviceConfig the JSON device configuration
/// @return True, if success
///
bool init(const QJsonObject &deviceConfig) override;
///
/// @brief Opens the output device.
///
/// @return Zero on success (i.e. device is ready), else negative
///
int open() override;
///
/// @brief Writes the RGB-Color values to the LEDs.
///
/// @param[in] ledValues The RGB-color per LED
/// @return Zero on success, else negative
///
int write(const std::vector<ColorRgb> & ledValues) override;
///
/// @brief Generate E1.31 communication header
///
void prepare(unsigned this_universe, unsigned this_dmxChannelCount);
e131_packet_t e131_packet;
uint8_t _e131_seq = 0;
uint8_t _e131_universe = 1;
uint8_t _acn_id[12] = {0x41, 0x53, 0x43, 0x2d, 0x45, 0x31, 0x2e, 0x31, 0x37, 0x00, 0x00, 0x00 };
QString _e131_source_name;
QUuid _e131_cid;
};
#endif // LEDEVICEUDPE131_H